Geo-slope is the name of a research company which developed this computing program. The previous version of slope analysis was called Geo-slope Office 5 (e.g. v5.14 etc). Geo-slope comprises many packages (6??) in relation to seepage, earthquake and contaminated movement - Seep/W, Quake/W & Ctran.
The new version of geo-slope is renamed as Geostudio with a new program regarding for air flow - so to be 7 programs. U may note the file formats are also different from previous geo-slope.